#1A64B3#1A64B3

#1A64B3 is a mid, vivid cyan. Relative luminance 0.126; OKLCH L 50.3% C 0.143 H 254.0°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#1A64B3
RGB	rgb(26, 100, 179)
HSL	hsl(211, 75%, 40%)
HSV	hsv(211, 85%, 70%)
CMYK	cmyk(85.5%, 44.1%, 0%, 29.8%)
CIE-LAB	lab(42.13, 7.81, -48.05)
CIE-LCH	lch(42.13, 48.68, 279.23°)
OKLab	oklab(50.3% -0.0395 -0.1379)
OKLCH	oklch(50.3% 0.143 254)
XYZ	xyz(13.1168, 12.5870, 44.3773)
Luminance	0.1259 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A64B3 #B3691A

analogous

#1AB1B3 #1A64B3 #1C1AB3

triadic

#1A64B3 #B31A64 #64B31A

tetradic

#1A64B3 #B31AB1 #B3691A #1AB31C

square

#1A64B3 #B31AB1 #B3691A #1AB31C

split-complementary

#1A64B3 #B31C1A #B1B31A

monochromatic

#0A2848 #12467E #1A64B3 #2A82E0 #60A1E8

Accessibility & contrast

On white

5.97

#1A64B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#1A64B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1A64B3

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A64B3	#FFFFFF	#000000	##FFFFFF
##1A64B3	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6BB6

Deuteranopia (green-blind)

#1B5DB1

Tritanopia (blue-blind)

#007783

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #1a64b3;
/* rgb */ color: rgb(26, 100, 179);
/* oklch */ color: oklch(50.3% 0.143 254.0);

Tailwind

colors: {
  custom: {
    50: '#738fca',
    500: '#1a64b3',
    950: '#000000',
  },
}

SCSS

$custom: #1a64b3;
$custom-light: #738fca;
$custom-dark: #000000;

JSON

{
  "hex": "#1a64b3",
  "rgb": {
    "r": 26,
    "g": 100,
    "b": 179
  },
  "hsl": {
    "h": 210.98,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50298,
    "c": 0.14341,
    "h": 254
  },
  "luminance": 0.12589
}

Semantic roles & 50–950 ramp

primary

#1A64B3

secondary

#CC965D

accent

#9737F1

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #1A64B3

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →